@charset "UTF-8";
/* ==========================================================================
   FDKPOWER 富东康发电机 — 设计系统
   主色：海洋蓝 Ocean Blue  |  辅色：环保绿 Eco Green
   ========================================================================== */

:root{
  /* ---- 品牌色：海洋蓝 ---- */
  --ocean-900:#04283F;
  --ocean-800:#063A5C;
  --ocean-700:#07507E;
  --ocean-600:#0A66A3;
  --ocean-500:#0E7FC4;
  --ocean-400:#3AA0DA;
  --ocean-300:#7CC2EA;
  --ocean-100:#DCEBF6;
  --ocean-50:#F0F7FC;

  /* ---- 辅色：环保绿 ---- */
  --eco-700:#0E6B45;
  --eco-600:#13875A;
  --eco-500:#1BA36D;
  --eco-400:#3FC08C;
  --eco-100:#DDF3E9;
  --eco-50:#F1FAF5;

  /* ---- 中性色 ---- */
  --ink-900:#0F1D28;
  --ink-800:#1B2D3C;
  --ink-700:#33485C;
  --ink-600:#4D6379;
  --ink-500:#6B8095;
  --ink-400:#94A6B7;
  --line:#DDE7EF;
  --line-soft:#EDF3F8;
  --bg:#FFFFFF;
  --bg-soft:#F7FAFC;
  --bg-alt:#F0F6FA;

  /* ---- 功能色 ---- */
  --warn:#D97706;
  --danger:#C2410C;

  /* ---- 尺寸 ---- */
  --wrap:1200px;
  --radius:12px;
  --radius-lg:18px;
  --radius-sm:8px;
  --shadow-sm:0 1px 3px rgba(6,58,92,.08);
  --shadow:0 4px 16px rgba(6,58,92,.09);
  --shadow-lg:0 12px 36px rgba(6,58,92,.14);

  --head-h:76px;
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}

body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",
              -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-700);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;height:auto;display:block;border:0}

/* ---------- 可访问性：键盘焦点 ---------- */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:3px solid var(--eco-500);
  outline-offset:2px;
  border-radius:4px;
}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:9999;
  background:var(--ocean-700);color:#fff;padding:12px 22px;
  border-radius:0 0 var(--radius-sm) 0;font-weight:700;text-decoration:none;
}
.skip-link:focus{left:0}

/* ---------- 通用容器 ---------- */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}
.wrap-narrow{max-width:860px}

section{padding:72px 0}
section.tight{padding:52px 0}
section.soft{background:var(--bg-soft)}
section.alt{background:var(--bg-alt)}

@media (max-width:768px){
  section{padding:48px 0}
  section.tight{padding:36px 0}
}

/* ---------- 标题体系 ---------- */
h1,h2,h3,h4,h5{color:var(--ink-900);font-weight:800;line-height:1.35;margin:0 0 .6em;letter-spacing:-.01em}

h1{font-size:clamp(28px,4.4vw,46px);line-height:1.25}
h2{font-size:clamp(24px,3.2vw,34px);line-height:1.3}
h3{font-size:clamp(19px,2.2vw,23px)}
h4{font-size:18px}

.sec-head{text-align:center;max-width:820px;margin:0 auto 44px}
.sec-head.left{text-align:left;margin-left:0}
.sec-head p{color:var(--ink-600);font-size:17px;margin:0}

.eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
  color:var(--eco-600);background:var(--eco-100);
  padding:6px 15px;border-radius:100px;margin:0 0 14px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--eco-500)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 30px;border-radius:var(--radius-sm);
  font-size:16px;font-weight:700;text-decoration:none;cursor:pointer;
  border:2px solid transparent;transition:.22s ease;
  font-family:inherit;line-height:1.4;
}
.btn-primary{background:linear-gradient(135deg,var(--ocean-600),var(--ocean-500));color:#fff;box-shadow:0 4px 14px rgba(10,102,163,.28)}
.btn-primary:hover{background:linear-gradient(135deg,var(--ocean-700),var(--ocean-600));transform:translateY(-2px);box-shadow:0 8px 22px rgba(10,102,163,.34)}
.btn-eco{background:linear-gradient(135deg,var(--eco-600),var(--eco-500));color:#fff;box-shadow:0 4px 14px rgba(19,135,90,.26)}
.btn-eco:hover{background:linear-gradient(135deg,var(--eco-700),var(--eco-600));transform:translateY(-2px);box-shadow:0 8px 22px rgba(19,135,90,.32)}
.btn-ghost{background:transparent;color:var(--ocean-600);border-color:var(--ocean-300)}
.btn-ghost:hover{background:var(--ocean-50);border-color:var(--ocean-500);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--ocean-700);box-shadow:var(--shadow-sm)}
.btn-light:hover{background:var(--ocean-50);transform:translateY(-2px)}
.btn-lg{padding:17px 38px;font-size:17px}

.btn-row{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页头 ---------- */
.site-header{
  position:sticky;top:0;z-index:900;
  background:rgba(255,255,255,.97);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 10px rgba(6,58,92,.05);
}
.header-inner{display:flex;align-items:center;gap:28px;height:var(--head-h)}

/* 品牌 LOGO */
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;flex-shrink:0}
.brand-mark{
  width:46px;height:46px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(140deg,var(--ocean-700),var(--ocean-500) 55%,var(--eco-500));
  color:#fff;display:grid;place-items:center;
  font-weight:900;font-size:16px;letter-spacing:-.5px;
  box-shadow:0 3px 10px rgba(10,102,163,.3);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-en{font-size:17px;font-weight:900;color:var(--ocean-700);letter-spacing:.06em}
.brand-cn{font-size:12.5px;color:var(--ink-500);font-weight:600;letter-spacing:.16em}

/* 导航 */
.main-nav{margin-left:auto}
.nav-list{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}
.nav-list > li{position:relative}
.nav-list > li > a{
  display:flex;align-items:center;gap:5px;
  padding:10px 15px;border-radius:var(--radius-sm);
  color:var(--ink-700);text-decoration:none;font-weight:700;font-size:15.5px;
  transition:.18s;white-space:nowrap;
}
.nav-list > li > a:hover{background:var(--ocean-50);color:var(--ocean-600)}
.nav-list > li > a[aria-current="page"]{color:var(--ocean-700);background:var(--ocean-50)}
.nav-list > li > a[aria-current="page"]::after{
  content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2.5px;
  background:var(--eco-500);border-radius:2px;
}

.nav-item.has-sub > a::after{
  content:"";width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;
  transform:rotate(45deg) translateY(-2px);opacity:.5;transition:.2s;
}
.nav-item.has-sub:hover > a::after{opacity:1}

.submenu{
  position:absolute;top:100%;left:0;min-width:250px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-lg);padding:8px;margin:0;list-style:none;
  opacity:0;visibility:hidden;transform:translateY(-8px);transition:.2s ease;
}
.nav-item.has-sub:hover .submenu,
.nav-item.has-sub:focus-within .submenu{opacity:1;visibility:visible;transform:translateY(0)}
.submenu a{
  display:block;padding:9px 14px;border-radius:var(--radius-sm);
  color:var(--ink-700);text-decoration:none;font-size:14.5px;font-weight:600;
}
.submenu a:hover{background:var(--ocean-50);color:var(--ocean-700)}
.submenu .sub-head{
  font-size:12px;font-weight:800;color:var(--ink-400);letter-spacing:.1em;
  padding:8px 14px 4px;text-transform:uppercase;
}

.header-cta{display:flex;align-items:center;gap:12px;flex-shrink:0}
.header-tel{display:flex;flex-direction:column;line-height:1.3;text-align:right}
.header-tel b{color:var(--ocean-700);font-size:17px;letter-spacing:.01em}
.header-tel span{font-size:11.5px;color:var(--ink-400)}

/* 顶栏信息条 */
.topbar{background:var(--ocean-900);color:rgba(255,255,255,.82);font-size:13px}
.topbar-inner{display:flex;align-items:center;gap:22px;height:38px}
.topbar a{color:rgba(255,255,255,.85);text-decoration:none}
.topbar a:hover{color:#fff}
.topbar-eco{color:var(--eco-400);font-weight:700}
.topbar-list{display:flex;gap:20px;list-style:none;margin:0;padding:0;margin-left:auto;align-items:center}

/* 移动端菜单 */
.nav-toggle{
  display:none;margin-left:auto;
  width:46px;height:46px;border:1px solid var(--line);background:#fff;
  border-radius:var(--radius-sm);cursor:pointer;padding:0;place-items:center;
}
.nav-toggle span{display:block;width:21px;height:2.2px;background:var(--ocean-700);border-radius:2px;position:relative;transition:.22s}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:21px;height:2.2px;background:var(--ocean-700);border-radius:2px;transition:.22s;
}
.nav-toggle span::before{top:-7px}
.nav-toggle span::after{top:7px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}

@media (max-width:1080px){
  .header-tel{display:none}
}
@media (max-width:960px){
  .nav-toggle{display:grid}
  .header-cta .btn{display:none}
  .main-nav{
    position:fixed;inset:var(--head-h) 0 0 0;
    background:#fff;overflow-y:auto;padding:20px;
    transform:translateX(100%);transition:transform .26s ease;margin:0;
  }
  .main-nav.open{transform:translateX(0);box-shadow:var(--shadow-lg)}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-list > li > a{padding:14px 16px;font-size:17px;border-radius:var(--radius-sm)}
  .nav-list > li > a[aria-current="page"]::after{left:16px;right:auto;width:22px;bottom:8px}
  .submenu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;
    border:0;border-left:3px solid var(--ocean-100);border-radius:0;margin:2px 0 6px 16px;padding:0 0 0 8px}
  .nav-toggle{position:relative;z-index:1001}
}
@media (max-width:720px){
  .topbar-inner{justify-content:center}
  .topbar-list{display:none}
  .brand-en{font-size:16px}
  .brand-cn{font-size:11.5px}
}

/* ---------- 面包屑 ---------- */
.breadcrumb{background:var(--bg-soft);border-bottom:1px solid var(--line-soft);padding:14px 0;font-size:14px}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:7px;list-style:none;margin:0;padding:0;align-items:center}
.breadcrumb li{display:flex;align-items:center;gap:7px;color:var(--ink-500)}
.breadcrumb li:not(:last-child)::after{content:"›";color:var(--ink-400);font-size:15px}
.breadcrumb a{color:var(--ink-600);text-decoration:none}
.breadcrumb a:hover{color:var(--ocean-600);text-decoration:underline}
.breadcrumb [aria-current]{color:var(--ink-900);font-weight:700}

/* ---------- 页面头部（内页） ---------- */
.page-head{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--ocean-800),var(--ocean-600) 52%,var(--eco-700));
  color:#fff;padding:60px 0;isolation:isolate;
}
.page-head::before{
  content:"";position:absolute;inset:0;z-index:-1;opacity:.16;
  background-image:radial-gradient(circle at 18% 22%,rgba(255,255,255,.9) 0,transparent 42%),
                   radial-gradient(circle at 84% 78%,rgba(63,192,140,.85) 0,transparent 45%);
}
.page-head h1{color:#fff;margin:0 0 14px;max-width:20ch}
.page-head .lede{font-size:17.5px;color:rgba(255,255,255,.9);max-width:62ch;margin:0}
.page-head .pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.page-head .pill{
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.26);
  padding:7px 16px;border-radius:100px;font-size:14px;font-weight:600;
  backdrop-filter:blur(4px);
}

/* ---------- 首页 Hero ---------- */
.hero{
  position:relative;overflow:hidden;isolation:isolate;color:#fff;
  background:linear-gradient(150deg,var(--ocean-900) 0%,var(--ocean-700) 45%,var(--eco-700) 118%);
  padding:88px 0 92px;
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background-image:radial-gradient(circle at 12% 18%,rgba(58,160,218,.5) 0,transparent 45%),
                   radial-gradient(circle at 88% 82%,rgba(27,163,109,.42) 0,transparent 46%);
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;opacity:.07;
  background-image:linear-gradient(rgba(255,255,255,.9) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(to bottom,transparent,#000 42%,transparent);
}
.hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero h1{color:#fff;margin:0 0 20px;max-width:16ch}
.hero h1 em{font-style:normal;color:var(--eco-400)}
.hero .hero-sub{font-size:18.5px;color:rgba(255,255,255,.9);max-width:56ch;margin:0 0 30px}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin:0 0 32px;padding:0;list-style:none}
.hero-tags li{
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  padding:6px 15px;border-radius:100px;font-size:14px;font-weight:600;
}
.hero-trust{
  display:flex;flex-wrap:wrap;gap:28px;margin:34px 0 0;padding:26px 0 0;
  border-top:1px solid rgba(255,255,255,.2);list-style:none;
}
.hero-trust b{display:block;font-size:29px;font-weight:900;color:#fff;line-height:1.15}
.hero-trust span{font-size:13.5px;color:rgba(255,255,255,.78)}

/* Hero 侧栏询价卡 */
.quote-card{
  background:#fff;border-radius:var(--radius-lg);padding:32px;
  box-shadow:var(--shadow-lg);color:var(--ink-700);
  border-top:5px solid var(--eco-500);
}
.quote-card h3{margin:0 0 6px;font-size:21px}
.quote-card > p{font-size:14px;color:var(--ink-500);margin:0 0 22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink-800);margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;padding:11px 14px;border:1.5px solid var(--line);border-radius:var(--radius-sm);
  font-size:15px;font-family:inherit;color:var(--ink-800);background:#fff;transition:.18s;
}
.field input:hover,.field select:hover,.field textarea:hover{border-color:var(--ocean-300)}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--ocean-500);outline:0;box-shadow:0 0 0 3px rgba(14,127,196,.13)
}
.field textarea{resize:vertical;min-height:88px}
.field .hint{font-size:12.5px;color:var(--ink-400);margin-top:5px}
.quote-card .btn{width:100%}
.quote-card .qc-foot{
  margin:18px 0 0;padding-top:16px;border-top:1px dashed var(--line);
  font-size:13.5px;color:var(--ink-500);display:grid;gap:7px;
}
.quote-card .qc-foot a{color:var(--ocean-600);text-decoration:none;font-weight:700}
.quote-card .qc-foot a:hover{text-decoration:underline}

@media (max-width:960px){
  .hero{padding:60px 0 66px}
  .hero-inner{grid-template-columns:1fr;gap:38px}
}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);
}
.stat{background:#fff;padding:28px 22px;text-align:center}
.stat b{display:block;font-size:clamp(26px,3.4vw,36px);font-weight:900;color:var(--ocean-700);line-height:1.15}
.stat span{font-size:14px;color:var(--ink-600)}
@media (max-width:820px){.stat-strip{grid-template-columns:repeat(2,1fr)}}

/* ---------- 卡片 ---------- */
.grid{display:grid;gap:26px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:980px){.g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:700px){.g2,.g3,.g4{grid-template-columns:1fr}}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;transition:.24s ease;position:relative;
  display:flex;flex-direction:column;height:100%;
}
.card:hover{border-color:var(--ocean-300);box-shadow:var(--shadow);transform:translateY(-3px)}
.card h3{margin:0 0 10px;font-size:20px}
.card p{margin:0;color:var(--ink-600);font-size:15px}
.card .card-more{
  margin-top:auto;padding-top:16px;color:var(--ocean-600);font-weight:700;
  font-size:14.5px;text-decoration:none;display:inline-flex;align-items:center;gap:5px;
}
.card .card-more:hover{gap:9px}

/* 服务卡（带图标块） */
.card-icon{
  width:54px;height:54px;border-radius:14px;margin-bottom:18px;
  display:grid;place-items:center;font-size:25px;
  background:linear-gradient(140deg,var(--ocean-100),var(--eco-100));color:var(--ocean-700);
}
.card ul{margin:14px 0 0;padding-left:20px;color:var(--ink-600);font-size:14.5px}
.card ul li{margin-bottom:5px}

/* 品牌卡 */
.brand-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media (max-width:980px){.brand-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:700px){.brand-grid{grid-template-columns:repeat(2,1fr)}}
.brand-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 16px;text-align:center;text-decoration:none;
  transition:.22s;display:block;
}
.brand-card:hover{border-color:var(--ocean-400);box-shadow:var(--shadow);transform:translateY(-3px)}
.brand-card .bc-name{display:block;font-size:16.5px;font-weight:800;color:var(--ink-900);margin-bottom:4px}
.brand-card .bc-en{display:block;font-size:11.5px;color:var(--ink-400);letter-spacing:.09em;font-weight:700;margin-bottom:9px}
.brand-card .bc-kw{
  display:block;font-size:12.5px;color:var(--ocean-600);background:var(--ocean-50);
  border-radius:100px;padding:3px 10px;font-weight:600;
}

/* 特性卡（带序号） */
.feature{display:flex;gap:18px;align-items:flex-start}
.feature-num{
  flex-shrink:0;width:46px;height:46px;border-radius:12px;
  background:linear-gradient(140deg,var(--ocean-600),var(--eco-500));
  color:#fff;display:grid;place-items:center;font-weight:900;font-size:19px;
}
.feature h3{margin:0 0 7px;font-size:18.5px}
.feature p{margin:0;color:var(--ink-600);font-size:15px}

/* ---------- 富文本内容区 ---------- */
.prose{max-width:82ch}
.prose h2{margin:44px 0 16px;padding-bottom:11px;border-bottom:2px solid var(--ocean-100)}
.prose h3{margin:32px 0 12px;color:var(--ocean-700)}
.prose h4{margin:24px 0 10px}
.prose p{margin:0 0 16px}
.prose ul,.prose ol{margin:0 0 18px;padding-left:24px}
.prose li{margin-bottom:8px}
.prose strong{color:var(--ink-900)}
.prose a{color:var(--ocean-600);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.prose a:hover{color:var(--ocean-700)}

.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start}
@media (max-width:980px){.layout{grid-template-columns:1fr;gap:38px}}

/* 侧边栏 */
.sidebar{position:sticky;top:calc(var(--head-h) + 20px);display:grid;gap:22px}
@media (max-width:980px){.sidebar{position:static}}
.side-box{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.side-box > h3{
  margin:0;padding:15px 20px;font-size:16px;background:var(--ocean-50);
  border-bottom:1px solid var(--line);color:var(--ocean-800);
}
.side-box ul{list-style:none;margin:0;padding:8px}
.side-box li{border-bottom:1px solid var(--line-soft)}
.side-box li:last-child{border-bottom:0}
.side-box li a{
  display:block;padding:10px 20px;color:var(--ink-700);text-decoration:none;
  font-size:14.5px;font-weight:600;transition:.16s;
}
.side-box li a:hover{background:var(--ocean-50);color:var(--ocean-700);padding-left:26px}
.side-box li.is-current a{background:var(--ocean-50);color:var(--ocean-700);box-shadow:inset 3px 0 0 var(--eco-500)}

.side-cta{
  background:linear-gradient(150deg,var(--ocean-700),var(--eco-700));
  color:#fff;border-radius:var(--radius);padding:26px 22px;text-align:center;
}
.side-cta h3{color:#fff;margin:0 0 8px;font-size:19px}
.side-cta p{color:rgba(255,255,255,.86);font-size:14.5px;margin:0 0 18px}
.side-cta .tel{display:block;font-size:25px;font-weight:900;color:#fff;text-decoration:none;margin-bottom:6px;letter-spacing:.01em}
.side-cta .tel:hover{text-decoration:underline}
.side-cta small{color:rgba(255,255,255,.75);display:block;margin-bottom:16px}

/* ---------- 提示框 ---------- */
.note{
  border-left:4px solid var(--eco-500);background:var(--eco-50);
  padding:20px 24px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin:0 0 26px;
}
.note h4,.note-title{
  margin:0 0 7px;color:var(--eco-700);font-size:17px;font-weight:800;line-height:1.5;
}
.note p{margin:0;font-size:15px;color:var(--ink-700)}
.note.info{border-left-color:var(--ocean-500);background:var(--ocean-50)}
.note.info h4,.note.info .note-title{color:var(--ocean-700)}
.note.warn{border-left-color:var(--warn);background:#FFFBEB}
.note.warn h4,.note.warn .note-title{color:#92400E}

/* ---------- 表格 ---------- */
.table-wrap{overflow-x:auto;margin:0 0 28px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
table{width:100%;border-collapse:collapse;font-size:15px;min-width:560px}
caption{
  caption-side:top;text-align:left;padding:15px 20px;font-weight:800;
  color:var(--ocean-800);background:var(--ocean-50);border-bottom:1px solid var(--line);font-size:16px;
}
th,td{padding:13px 18px;text-align:left;border-bottom:1px solid var(--line-soft);vertical-align:top}
thead th{background:var(--bg-alt);color:var(--ink-900);font-weight:800;font-size:14.5px;white-space:nowrap}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:var(--ocean-50)}

/* ---------- FAQ 手风琴 ---------- */
.faq{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.faq-item{border-bottom:1px solid var(--line-soft)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:19px 24px;background:#fff;border:0;cursor:pointer;text-align:left;
  font-family:inherit;font-size:16.5px;font-weight:700;color:var(--ink-900);line-height:1.55;
  transition:background .18s;
}
.faq-q:hover{background:var(--ocean-50)}
.faq-q .ico{
  flex-shrink:0;width:24px;height:24px;border-radius:50%;margin-top:3px;
  background:var(--ocean-100);color:var(--ocean-700);
  display:grid;place-items:center;font-size:15px;font-weight:900;
  transition:transform .24s,background .18s;
}
.faq-q[aria-expanded="true"]{background:var(--ocean-50);color:var(--ocean-700)}
.faq-q[aria-expanded="true"] .ico{transform:rotate(45deg);background:var(--eco-500);color:#fff}
.faq-a{padding:0 24px 22px;background:var(--ocean-50);margin:0}
.faq-a > *:last-child{margin-bottom:0}
.faq-a p{margin:16px 0 10px}
.faq-a ul{margin:0 0 10px;padding-left:22px}
.faq-a li{margin-bottom:6px;font-size:15px}

/* ---------- 案例卡 ---------- */
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;transition:.24s;
}
.case-card:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:var(--ocean-300)}
.case-thumb{
  height:120px;display:grid;place-items:center;position:relative;overflow:hidden;
  background:linear-gradient(140deg,var(--ocean-700),var(--ocean-500));
  color:#fff;font-size:15px;font-weight:800;letter-spacing:.05em;
}
.case-card:nth-child(3n+2) .case-thumb{background:linear-gradient(140deg,var(--eco-700),var(--eco-500))}
.case-card:nth-child(3n) .case-thumb{background:linear-gradient(140deg,var(--ocean-800),#0F5E7A)}
.case-thumb .case-ico{position:absolute;right:-10px;bottom:-24px;font-size:96px;opacity:.11;line-height:1}
.case-body{padding:22px;display:flex;flex-direction:column;flex:1}
.case-tag{
  display:inline-block;align-self:flex-start;background:var(--eco-100);color:var(--eco-700);
  font-size:12px;font-weight:800;padding:3px 11px;border-radius:100px;margin-bottom:10px;
}
.case-body h3{margin:0 0 8px;font-size:18px}
.case-body p{margin:0 0 14px;font-size:14.5px;color:var(--ink-600)}
.case-meta{
  margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);
  display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13px;color:var(--ink-500);
}
.case-meta b{color:var(--ink-800);font-weight:700}

/* 客户 LOGO 墙 */
.logo-wall{
  display:grid;grid-template-columns:repeat(6,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
}
.logo-cell{
  background:#fff;min-height:66px;display:grid;place-items:center;padding:12px 8px;
  font-size:13.5px;font-weight:700;color:var(--ink-600);text-align:center;line-height:1.4;
  transition:.18s;
}
.logo-cell:hover{background:var(--ocean-50);color:var(--ocean-700)}
@media (max-width:900px){.logo-wall{grid-template-columns:repeat(4,1fr)}}
@media (max-width:560px){.logo-wall{grid-template-columns:repeat(3,1fr)}}

/* ---------- 步骤时间轴 ---------- */
.steps{list-style:none;margin:0;padding:0;position:relative;counter-reset:step}
.steps::before{
  content:"";position:absolute;left:27px;top:22px;bottom:22px;width:2px;
  background:linear-gradient(var(--ocean-300),var(--eco-400));
}
.steps li{position:relative;padding:0 0 30px 74px;counter-increment:step}
.steps li:last-child{padding-bottom:0}
.steps li::before{
  content:counter(step);position:absolute;left:0;top:0;
  width:56px;height:56px;border-radius:50%;
  background:#fff;border:3px solid var(--ocean-500);color:var(--ocean-700);
  display:grid;place-items:center;font-size:21px;font-weight:900;
  box-shadow:0 3px 12px rgba(10,102,163,.16);
}
.steps h3{margin:6px 0 6px;font-size:18.5px}
.steps p{margin:0;color:var(--ink-600);font-size:15px}
@media (max-width:600px){
  .steps::before{left:19px}
  .steps li{padding-left:52px}
  .steps li::before{width:40px;height:40px;font-size:17px;border-width:2.5px}
}

/* ---------- 服务区域 ---------- */
.area-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
@media (max-width:980px){.area-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:680px){.area-grid{grid-template-columns:repeat(2,1fr)}}
.area-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:18px 16px;text-decoration:none;transition:.2s;display:block;
}
.area-card:hover{border-color:var(--ocean-400);background:var(--ocean-50);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.area-card b{display:block;font-size:16px;color:var(--ink-900);margin-bottom:5px;font-weight:800}
.area-card span{font-size:13px;color:var(--ink-500);line-height:1.6;display:block}

/* ---------- 品牌标签墙 ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px}
.tag-cloud a{
  display:inline-block;background:#fff;border:1px solid var(--line);
  padding:7px 16px;border-radius:100px;font-size:14px;font-weight:600;
  color:var(--ink-700);text-decoration:none;transition:.18s;
}
.tag-cloud a:hover{border-color:var(--ocean-400);background:var(--ocean-50);color:var(--ocean-700)}

/* ---------- CTA 区块 ---------- */
.cta-band{
  background:linear-gradient(140deg,var(--ocean-800),var(--ocean-600) 55%,var(--eco-700));
  color:#fff;border-radius:var(--radius-lg);padding:48px 44px;text-align:center;
  position:relative;overflow:hidden;isolation:isolate;
}
.cta-band::before{
  content:"";position:absolute;inset:0;z-index:-1;opacity:.14;
  background-image:radial-gradient(circle at 20% 30%,rgba(255,255,255,.85) 0,transparent 45%),
                   radial-gradient(circle at 82% 72%,rgba(63,192,140,.8) 0,transparent 45%);
}
.cta-band h2{color:#fff;margin:0 0 12px}
.cta-band p{color:rgba(255,255,255,.9);font-size:17px;max-width:60ch;margin:0 auto 28px}
.cta-band .btn-row{justify-content:center}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ocean-900);color:rgba(255,255,255,.72);padding:60px 0 0;font-size:14.5px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
@media (max-width:980px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:34px}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}

.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);box-shadow:none;border:1px solid rgba(255,255,255,.2)}
.site-footer .brand-en{color:#fff}
.site-footer .brand-cn{color:rgba(255,255,255,.6)}
.site-footer p{margin:0 0 14px;line-height:1.85}
.site-footer a{color:rgba(255,255,255,.72);text-decoration:none;transition:.16s}
.site-footer a:hover{color:#fff;text-decoration:underline}

.footer-col h4{
  color:#fff;font-size:15px;margin:0 0 16px;font-weight:800;
  padding-bottom:10px;border-bottom:1px solid rgba(255,255,255,.14);
}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.footer-col .tel{
  display:block;font-size:22px;font-weight:900;color:#fff;text-decoration:none;
  margin-bottom:4px;letter-spacing:.01em;
}
.footer-col .tel:hover{text-decoration:underline}
.footer-contact{display:grid;gap:12px}
.footer-contact div{display:flex;gap:9px;align-items:flex-start;font-size:14px;line-height:1.7}
.footer-contact .fi{flex-shrink:0;opacity:.65}

.friendlinks{border-top:1px solid rgba(255,255,255,.12);padding:24px 0}
.friendlinks h4{color:#fff;font-size:14px;margin:0 0 13px;font-weight:800}
.friendlinks ul{
  list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px 10px;
}
.friendlinks li a{
  display:inline-block;background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.12);padding:5px 13px;border-radius:100px;
  font-size:13px;transition:.18s;
}
.friendlinks li a:hover{background:rgba(255,255,255,.15);text-decoration:none}

.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:12px 26px;align-items:center;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.58);
}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom .eco-note{color:var(--eco-400);font-weight:700}

/* ---------- 移动端底部联系条 ---------- */
.mobile-bar{display:none}
@media (max-width:960px){
  .mobile-bar{
    display:grid;grid-template-columns:1fr 1fr;gap:1px;position:fixed;
    bottom:0;left:0;right:0;z-index:890;background:var(--line);
    box-shadow:0 -3px 16px rgba(6,58,92,.14);
  }
  .mobile-bar a{
    background:#fff;color:var(--ocean-700);text-decoration:none;
    padding:13px 8px;text-align:center;font-weight:800;font-size:15px;
    display:flex;align-items:center;justify-content:center;gap:6px;
  }
  .mobile-bar a.primary{background:var(--ocean-600);color:#fff}
  .mobile-bar a:hover{text-decoration:none;filter:brightness(1.05)}
  .site-footer{padding-bottom:70px}
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:20px;bottom:88px;z-index:880;
  width:46px;height:46px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--ocean-700);cursor:pointer;font-size:19px;
  box-shadow:var(--shadow);display:grid;place-items:center;
  opacity:0;visibility:hidden;transition:.24s;
}
.to-top.show{opacity:1;visibility:visible}
@media (max-width:960px){.to-top{bottom:76px;right:14px;width:42px;height:42px}}

/* ---------- 工具类 ---------- */
.text-center{text-align:center}
.mt0{margin-top:0}.mt1{margin-top:10px}.mt2{margin-top:20px}.mt3{margin-top:30px}.mt4{margin-top:44px}
.mb0{margin-bottom:0}.mb1{margin-bottom:10px}.mb2{margin-bottom:20px}.mb3{margin-bottom:30px}.mb4{margin-bottom:44px}
.muted{color:var(--ink-500)}
.lead{font-size:18px;color:var(--ink-600)}
.hide{display:none !important}

/* 视觉隐藏但可被屏幕阅读器与搜索引擎读取（无障碍标题用） */
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

/* ---------- 打印 ---------- */
@media print{
  .site-header,.topbar,.mobile-bar,.to-top,.breadcrumb,.cta-band,.quote-card{display:none !important}
  body{font-size:12pt;color:#000}
  section{padding:12pt 0}
  a{text-decoration:none;color:#000}
  a[href^="http"]::after{content:" (" attr(href) ")";font-size:9pt;color:#666}
}

/* ---------- 减弱动效偏好 ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms !important;animation-iteration-count:1 !important;
    transition-duration:.01ms !important;scroll-behavior:auto !important;
  }
}